﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Computer
{
    class Text
    {
        //加
        public double Add(double num1,double num2)
        {
        return num1+num2;
        }
        //减
        public double Minus(double num1, double num2)
        {
            return num1-num2;
        }
        //乘
        public double Multiply(double num1, double num2)
        {
            return num1*num2;
        }
        //除
        public double Divide(double num1, double num2)
        {
            return num1/num2;
        }

    }
}
